package cn.witsky.cdrService.util;

import java.math.BigInteger;

public class StringUtil {

	public static int decodeHEX(String hexs) {
		BigInteger bigint = new BigInteger(hexs, 16);
		int numb = bigint.intValue();
		return numb;
	}

	public static String byte2Hex(byte[] bytes) {
		StringBuffer stringBuffer = new StringBuffer();
		String temp = null;
		for (int i = 0; i < bytes.length; i++) {
			temp = Integer.toHexString(bytes[i] & 0xFF);
			if (temp.length() == 1) {
				// 1得到一位的进行补0操作
				stringBuffer.append("0");
			}
			stringBuffer.append(temp);
		}
		return stringBuffer.toString();
	}
	
	public static boolean isEmpty(Object obj) {
		if(null==obj) {
			return true;
		}else if("".equals(obj)) {
			return true;
		}
		return false;
	}
}
